#15283F#15283F

#15283F is a dark, muted cyan. Relative luminance 0.020; OKLCH L 27.3% C 0.050 H 254.1°. Best body text is #FFFFFF at 14.92:1 contrast (WCAG AA passes).

Color values

HEX	#15283F
RGB	rgb(21, 40, 63)
HSL	hsl(213, 50%, 16%)
HSV	hsv(213, 67%, 25%)
CMYK	cmyk(66.7%, 36.5%, 0%, 75.3%)
CIE-LAB	lab(15.67, 0.70, -16.97)
CIE-LCH	lch(15.67, 16.98, 272.37°)
OKLab	oklab(27.3% -0.0136 -0.0479)
OKLCH	oklch(27.3% 0.05 254.1)
XYZ	xyz(1.9649, 2.0357, 4.9910)
Luminance	0.0204 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#15283F #3F2C15

analogous

#153D3F #15283F #17153F

triadic

#15283F #3F1528 #283F15

tetradic

#15283F #3F153D #3F2C15 #153F17

square

#15283F #3F153D #3F2C15 #153F17

split-complementary

#15283F #3F1715 #3D3F15

monochromatic

#080F17 #080F17 #15283F #24456D #34629B

Accessibility & contrast

On white

14.92

#15283F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#15283F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #15283F

14.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##15283F	#FFFFFF	#000000	##FFFFFF
##15283F	1.00	14.92	1.41	14.92
#FFFFFF	14.92	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E2940

Deuteranopia (green-blind)

#19253F

Tritanopia (blue-blind)

#002D30

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #15283f;
/* rgb */ color: rgb(21, 40, 63);
/* oklch */ color: oklch(27.3% 0.050 254.1);

Tailwind

colors: {
  custom: {
    50: '#576174',
    500: '#15283f',
    950: '#000000',
  },
}

SCSS

$custom: #15283f;
$custom-light: #576174;
$custom-dark: #000000;

JSON

{
  "hex": "#15283f",
  "rgb": {
    "r": 21,
    "g": 40,
    "b": 63
  },
  "hsl": {
    "h": 212.857,
    "s": 50,
    "l": 16.471
  },
  "oklch": {
    "l": 0.27301,
    "c": 0.04978,
    "h": 254.1
  },
  "luminance": 0.02036
}

Semantic roles & 50–950 ramp

primary

#15283F

secondary

#775B39

accent

#9B4EDA

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030508

muted

#78797B

Preview Lab

Preview with #15283F

Body copy rendered with the generated semantic roles for this colour.

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